Switching

Dear All.We are using DHCP in our LAN & wi-fi Access point.Many user using smart phone ( android & Iphone ) & use company Internet.Can any way  we can block them getting IP address form OUR DHCP server (which runs on Cisco 3560 L3 switch) ?Please gui...

Hi all,at a customer side we have following configuration - redesign ( hp-world managed by me, cisco-world is a Managed-Service so i don't have access.)I have to two HP-8200zl switches as Core, connected each other with 2 x 10Gps, i use HP-E3800-Stac...

I have restricted access to users using TCP/IP using cisco 1841 router in my organization.I need to permit some sites for users which are part of work..The issue here is I cannot ping to the site but able to browse to that site when having internet a...

Can anyone share some useful links on how this works and how to configure it?  Do you still need to configure FHRP or does configuring redundancy take care of active/standby relationship between the ASR's?                  

If 3 Routers are attached to the same OSPF Area and configured with the commands below (respectively), which router would become the Designated Router? Router1 configured with:router(config-if)#ip ospf priority 3 Router2 configured with:router(config...

OK, I'm no expert at this.  I used to run a PIX firewall years ago and never had any trouble with NAT.I have a fresh SR520 that I only did two things to it using CCA 3.2(1):1.  Assign the address of FA4 to be 1.23.456.90 with a mask of 255.255.255.25...

Hi, i have two Cisco SB 300 and one Cisco AP541N Wireless Access Point.I will be using the two switches in to places with fiber between them. The AP541N will be using as AP for intranet/internet ang guest to internet. To use it for guest i need to us...

I work at a datacenter where we run many applications and many backups.  There is no music/video streaming but there are so many applications I'm sure one of them is using multicast.  How can I tell if I need to enable IGMP snooping?  Would there be ...

my 4500 core always in 60 % cpu utility , and when i run #sh proc cpu sorted i find that 55  29725041543795572214          0 39.43% 41.40% 41.39%   0 Cat4k Mgmt LoPriwhich mean that this process is the top one , and when i run #sh platform health i ...